| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.209 | 20/6:04.180 |
| 2 | 4 | 17.862 | 20/6:00.710 |
| 3 | 4 | 18.077 | 20/6:00.987 |
| 4 | 4 | 17.620 | 21/6:16.782 |
| 5 | 4 | 18.209 | 21/6:17.903 |
| 6 | 4 | 17.785 | 21/6:17.167 |
| 7 | 4 | 17.981 | 21/6:17.229 |
| 8 | 4 | 18.280 | 20/6:00.058 |
| 9 | 4 | 18.042 | 20/6:00.144 |
| 10 | 4 | 17.683 | 21/6:17.471 |
| 11 | 4 | 17.801 | 21/6:17.139 |
| 12 | 4 | 17.497 | 21/6:16.331 |
| 13 | 4 | 18.708 | 21/6:17.603 |
| 14 | 4 | 18.531 | 20/6:00.407 |
| 15 | 4 | 17.530 | 21/6:17.741 |
| 16 | 4 | 17.965 | 21/6:17.711 |
| 17 | 5 | 18.855 | 20/6:00.747 |
| 18 | 5 | 17.752 | 20/6:00.430 |
| 19 | 5 | 18.782 | 20/6:01.231 |
| 20 | 5 | 17.457 | 20/6:00.626 |